The Grammy Awards have revealed who will play this year's ceremony.

The acts which will perform at the 2009 Grammy Awards have been unveiled.
Among the artists who will play at the show on February 8th are Radiohead and Sir Paul McCartney, who will appear with special guest drummer Dave Grohl.
When Radiohead take to the stage, it will be the first live performance on US television since 2000.
In addition, the group is nominated for five awards, being recognised in the album of the year, best alternative album, best rock performance, best rock song and best short-form music video categories.
Sir Paul also is also up for two gongs, with nominations for best male pop vocal performance and best solo rock vocal performance.
It was also announced that Lil Wayne, Jay-Z, Justin Timberlake, Kanye West and T.I. have been added to the evening's line-up.
The new additions will join other performers previously announced, which include Coldplay and Katy Perry.
Rock artists nominated in this year's awards include Pearl Jam singer Eddie Vedder, Neil Young, Kings of Leon, The Mars Volta and Beck.
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